Trine 2 expansion Goblin Menace announced for PC, OS X, Linux

Trine 2 has an expansion in the works courtesy of developer Frozenbyte called Goblin Menace. The campaign comes with six levels, new skills playable in the original game, and general improvements and tweaks. Trine 2: Goblin Menace will release on PC, OS X, and Linux. A trailer and screenshots are below.